From 66a2cd36c674bf4f235aa28f9c1786d9937ebe2a Mon Sep 17 00:00:00 2001
From: Stefan Metzmacher <metze@samba.org>
Date: Fri, 10 Apr 2009 20:35:12 +0200
Subject: [PATCH] tsocket: return EINVAL when tdgram_sendto_send() is used with
 len == 0

metze
---
 lib/tsocket/tsocket.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/lib/tsocket/tsocket.c b/lib/tsocket/tsocket.c
index 8e97997d858..11ae6ce9ed1 100644
--- a/lib/tsocket/tsocket.c
+++ b/lib/tsocket/tsocket.c
@@ -219,6 +219,11 @@ struct tevent_req *tdgram_sendto_send(TALLOC_CTX *mem_ctx,
 	state->ops = dgram->ops;
 	state->ret = -1;
 
+	if (len == 0) {
+		tevent_req_error(req, EINVAL);
+		goto post;
+	}
+
 	subreq = state->ops->sendto_send(state, ev, dgram,
 					 buf, len, dst);
 	if (tevent_req_nomem(subreq, req)) {